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CVE-2004-0626

Status Candidate

Overview

The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Related Files

200420kernel.txt
Posted Jul 2, 2004
Site suse.com

SuSE Security Announcement - A problem exists in the Linux kernel 2.4 and 2.6 series where missing Discretionary Access Control (DAC) in the chown(2) system call allow an attacker with a local account the ability to change the group ownership of arbitrary files.

tags | advisory, arbitrary, kernel, local
systems | linux, suse
advisories | CVE-2004-0495, CVE-2004-0496, CVE-2004-0497, CVE-2004-0535, CVE-2004-0626
MD5 | f336a283e5c65794d679c8de8d8fb57c
HexView Security Advisory 2004-06-30.2
Posted Jun 30, 2004
Authored by HexView | Site netfilter.org

Sending crafted packets to a 2.6 series kernel with netfilter rules matching TCP options (using the --tcp-option match) may result in a Denial of Service.

tags | advisory, denial of service, kernel, tcp
advisories | CVE-2004-0626
MD5 | d833a45007f5ec8ad7ba3214e112fa2b
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